Wristwatch



FIG. 1 is a top plane view of wristwatch showing my new design;

FIG. 2 is an upper right side perspective view of the wristwatch;

FIG. 3 is a bottom view thereof;

FIG. 4 is a left elevation view thereof;

FIG. 5 is a left elevation view thereof;

FIG. 6 is a right end elevation view thereof; and,

FIG. 7 is a right-side elevation view thereof. 

The ornamental design for a wristwatch, as shown and described. 